/Engine/Source/Runtime/Engine/Classes/SparseVolumeTexture/SparseVolumeTexture.h
Finally there is the actual voxel data, which is simply the all non-fallback voxels in contiguous memory.
struct FMipLevelStreamingInfo
int32
BulkOffset
int32
BulkSize
int32
NumPhysicalTiles
TStaticArray< i...
OccupancyBitsOffset
TStaticArray< i...
OccupancyBitsSize
int32
PageTableOffset
int32
PageTableSize
TStaticArray< i...
TileDataOffset
TStaticArray< i...
TileDataOffsetsOffset
TStaticArray< i...
TileDataOffsetsSize
TStaticArray< i...
TileDataSize